| Main Ref. | Collette, B.B. and J. Su, 1986 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | striking type of mouth |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | lower jaw greatly elongated |
| Position of mouth | superior |
| Type of scales | |
| Diagnosis |
Adults with a single large chamber to the swim bladder. Average number of gill rakers on the first arch, 30.7; predorsal scales, 31.1 on the average. Branchiostegal rays: 11-14 (Ref. 36576). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 21 - 26 |
| on upper limb | 7 - 9 |
| total | 28 - 35 |
| Vertebrae | |
| preanal | 30 - 32 |
| total | 47 - 50 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 13 - 15 |
| Adipose fin | absent |
| Attributes | forked; asymmetric |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 13 - 16 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 11 - 13 | |
| Pelvics | Attributes |
| Position | |
| Spines 0 | |
| Soft-rays 6 - 6 |